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#include <errno.h>
#include <error.h>
#include <stdio_ext.h>
#include <stdlib.h>
#include <unistd.h>
#include "nls.h"
int close_stream(FILE * stream)
{
const int some_pending = (__fpending(stream) != 0);
const int prev_fail = (ferror(stream) != 0);
const int fclose_fail = (fclose(stream) != 0);
if (prev_fail || (fclose_fail && (some_pending || errno != EBADF))) {
if (!fclose_fail)
errno = 0;
return EOF;
}
return 0;
}
/* Use atexit(); */
void close_stdout(void)
{
if (close_stream(stdout) != 0 && !(errno == EPIPE)) {
char const *write_error = _("write error");
error(0, errno, "%s", write_error);
_exit(EXIT_FAILURE);
}
if (close_stream(stderr) != 0)
_exit(EXIT_FAILURE);
}
#ifdef TEST_PROGRAM
#include <stdio.h>
int main(int argc, char *argv[])
{
atexit(close_stdout);
printf("Hello, World!\n");
return EXIT_SUCCESS;
}
#endif /* TEST_PROGRAM */
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